To solve the equation $x + 2 = 4$, we can isolate $x$ by following these steps:

1. Subtract 2 from both sides of the equation:

$x + 2 - 2 = 4 - 2$

2. Simplifying both sides:

$x = 2$

So, the solution is $x = 2$.

Do you have any questions, or would you like more details?

Here are 5 related questions:

1. What happens if the equation was $x + 5 = 12$?
2. How do you solve $2x + 4 = 10$?
3. What if $x - 3 = 5$?
4. How do you solve $x + 2 = 0$?
5. How would you solve $x/2 + 2 = 4$?

Tip: Always perform the same operation on both sides of the equation to maintain equality.